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Cyclone Transmission Corvette Servo Assembly 700R4 4L60E Red Cover
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| Transmission Compatibility | 700R4, 4L60, 4L60E, 4L65E, 4L70E |
|---|---|
| Model Year Range | 1982-2014 |
| Actuator Type | 2-4 Intermediate Servo (Corvette Style / High Performance) |
| Boost Pressure Rating | Approx. 50% over Standard OE Servo |
| Surface Finish | Red Anodized / Painted Aluminum |
| Piston Material | Aluminum Alloy |
| Housing Material | Aluminum Alloy |
| Seal Material | High-Temperature Viton / Rubber |
| Pin Type | 3-Ring Long Pin (1982-Up) |
| Installation Method | Drop-In, No Transmission Removal Required |
| Included Components | Servo Piston, Cover, Snap Ring, O-Rings, Return Spring, Pin |
| Net Weight | 1.1 kg |
| Package Dimensions | 20 × 15 × 10 cm |
Manufacturer No.
- CT-700R4-CORVETTE-HD-RC
- Corvette Servo HD Red Cover
OEM Part No.
- 8654145
- 24201132
- A74905BK
Interchange No.
- TransGo 7-2P
- Sonnax 77911-03K
- TCI 376003
- Superior K51828C
- Summit Racing SUM-705415-K
Fitment Vehicles
- Chevrolet Corvette C4 (1984-1996)
- Chevrolet Corvette C5 (1997-2004)
- Chevrolet Camaro Z28 / SS (1982-2002)
- Pontiac Firebird Trans Am (1982-2002)
- Chevrolet C/K 1500 (1982-1999)
- GMC Sierra 1500 (1988-2007)
- Chevrolet Astro / GMC Safari (1990-2005)
- Cadillac Fleetwood / Brougham (1982-1996)
This remanufactured 2-4 servo assembly utilizes the larger Corvette-style servo piston design to deliver approximately 50 percent more apply area than the standard OE servo found in most 700R4 and 4L60E units.
The increased apply pressure firms up the 1-2 and 3-4 shift events, reducing clutch slip and heat generation under high torque conditions.
The assembly is completely remanufactured by a professional transmission shop specializing in high-performance and heavy-duty applications.
It includes a new Corvette-style aluminum piston, new seals (O-rings and D-rings), new return springs, and a painted red aluminum cover.
The unit is a drop-in replacement requiring no transmission removal for installation on most GM rear-wheel-drive platforms.
It is compatible with 700R4 (1982-1993), 4L60 (1990-1993), 4L60E (1993-2014), 4L65E, and 4L70E automatic transmissions.
The servo bore dimensions and pin length correspond to the 3-ring long pin style used across the 1982-up model range.
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